Underlayers
(underlayer 的复数) n.下层, 底层,衬层
🗣️ 情景例句
Have you ever been to Guangzhou?
你以前来过广州吗？
I'm here on business.
我来这里出差。
On the first lap, Class 3 were in front.
在跑第一圈时，3班在前边。